Introduction to Global Positioning Systems

Introduction  to  Global Positioning Systems Introduction  to  Global Positioning Systems - Start

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Introduction to Global Positioning Systems - Description

(GPS). Module 1. Created by: Scott Kelly 2010. Satellites. Receiver/Unit. Ground Control. Computers. Human Element. A Global Positioning System (GPS) includes:. Original image source: ESA. Very high orbit. ID: 673683 Download Presentation

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Introduction to Global Positioning Systems




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Presentations text content in Introduction to Global Positioning Systems

Slide1

Introduction

to Global Positioning Systems (GPS)

Module 1

Created by: Scott Kelly 2010

Slide2

Satellites

Receiver/UnitGround ControlComputers

Human ElementA Global Positioning System (GPS) includes:

Slide3

Original image source: ESA

Slide4

Very high orbit

12,550 miles (20,200 km)

1 revolution in about 12 hrs

Travel approx. 7,000mph

Considerations

Accuracy

Geometry

Coverage

Slide5

The Omnipresent

GPS Receiver

Image Source: Cabalas

Image Source: Trillium Wood Golf Club

Slide6

Image Source: GPSinformation.org

Satellites

Map

Waypoints/Tracks

Menu

Navigation

Slide7

Image Source: USGS

Image Source: Schriever Air Force Base

Slide8

Image source: Golf-Monthly

Image Source: fanpop.com

Slide9

Purpose

Tool Direction

Interaction User

The Human Element

Slide10

How

Global Positioning Systems Work

1. Datum & Projections2. Data Collection

3. Unit to Computer

Slide11

11

Geodetic Datum: What are they?Define the size and shape of the earth

Used as basis for coordinate systemsVariety of models:

- Flat earth

- Spherical

- Ellipsoidal

WGS 84 defines

geoid

heights for the entire earth

Slide12

Based on Geodetic Datum

Describe locations in two or three dimensions (ie

. X,Y,Z or X,Y)

Local and Global

Common systems

Geodetic Lat, Long (global)

UTM (local)

State Plane (local)

Variety of transformation methods

Coordinate Systems

Slide13

Triangulation

Satellite

A

Satellite

B

Satellite

C

Satellite

D

Slide14

Image Source: topofusion.com/jamboree

Slide15

Image Source: http://www.4x4books.com/mttngps.htm

Unit to Computer

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Slide20

Original Image Source: Wired.com

Image Source: http://www.leica-geosystems.com/en/News-Archive_57049.htm?id=1319

Slide21

Slide22

GPS/GIS

Applying the field

Image Source: http://202.28.94.55/web/322103/2551/work1/g178/home.html and othersImage Source: blog.doc.govt.nz/2009/08/

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